Limiting power state changes to a processor of a computer device
First Claim
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1. A computer device power management system, comprising:
- a controller that throttles a processor of a computer device responsive to an overcurrent condition associated with a power source powering the computer device, the controller adjusts a power state of the processor to at least one of a plurality of predetermined power states based on a level of the throttle; and
a timer that limits a quantity of changes to the power states that are performed on the processor during a predetermined time period to limit processing interruptions to the processor.
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Abstract
One embodiment is a computer device that uses a timer to limit a quantity of changes to different power states that are performed on a processor in the computer device during a predetermined time period. The power states changes each have different operating frequencies for the processor.
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Citations
22 Claims
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1. A computer device power management system, comprising:
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a controller that throttles a processor of a computer device responsive to an overcurrent condition associated with a power source powering the computer device, the controller adjusts a power state of the processor to at least one of a plurality of predetermined power states based on a level of the throttle; and a timer that limits a quantity of changes to the power states that are performed on the processor during a predetermined time period to limit processing interruptions to the processor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A computer device power management method, comprising:
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throttling a processor of a computer device in response to an overcurrent condition associated with a power source powering the computer device; adjusting a power state of the processor to at least one of a plurality of predetermined power states based on a level of the throttle; and preventing processing interruptions to the processor by limiting a quantity of power state transitions the processor performs during a predetermined time period. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A computer device power management system, comprising:
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means for throttling a processor means of a computer means in response to an overcurrent condition associated with a power means powering the computer means; means for adjusting a power state of the processor means to at least one of a plurality of predetermined power states based on a level of the throttling; and means for preventing interruptions to the processor means by limiting a quantity of changes to the predetermined power states that are performed on the processor means during a predetermined time period. - View Dependent Claims (18, 19, 20, 21)
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22. A computer storing executable instructions that are executed by a processor in the computer to perform a method, comprising:
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throttling of a processor of a computer device responsive to an overcurrent condition associated with a power source powering the computer device, the controller adjusts a power state of the processor to at least one of a plurality of predetermined power states based on a level of the throttle; and using a timer to prevent processing interruptions to the processor by limiting a quantity of transitions to the predetermined power states that the processor performs during a predetermined time period.
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Specification